Categories | Core Drill Bit |
---|---|
Model Number: | AQ BQ NQ HQ PQ T2,NMLC |
Place of Origin: | CHANGSHA HUNAN |
Brand Name: | CHANGTAN |
Certification: | SGS/CE/ISO9001 |
MOQ: | 1 SET |
Price: | 70USD-400USD |
Packaging Details: | Exported wooden box |
Delivery Time: | 7-10 working days |
Payment Terms: | T/T L/C |
Supply Ability: | 1000 pc /MONTH |
Type 1: | Electroplated Diamond |
Type 2: | Impregnated Diamond |
Type 3: | Surface Set Diamond |
Type 4: | Tungsten Carbide |
Type 5: | Polycrystalline Diamond compact |
Company Info. |
Changsha Changtan Geological Equipment Co.,Ltd |
Verified Supplier |
View Contact Details |
Product List |
NMLC Impregnated Dry Diamond Core Bit 6 Inch For Hard Rock
Q series core bits | ||||||||
Size | O.D | I.D | Availability | |||||
mm | mm | Imp. | S.S | T.C. | PDC | TSP | E.P. | |
AQ | 47.75/47.50 | 27.10/26.85 | √ | √ | √ | √ | √ | √ |
BQ | 59.69/59.44 | 36.52/36.27 | √ | √ | √ | √ | √ | √ |
BQ3 | 59.69/59.44 | 33.65/33.40 | √ | √ | √ | √ | √ | √ |
NQ | 75.44/75.19 | 47.75/47.50 | √ | √ | √ | √ | √ | √ |
NQ3 | 75.44/75.19 | 45.21/44.96 | √ | √ | √ | √ | √ | √ |
HQ | 95.76/95.38 | 63.63/63.38 | √ | √ | √ | √ | √ | √ |
HQ3 | 95.76/95.38 | 61.24/60.99 | √ | √ | √ | √ | √ | √ |
PQ | 122.30/121.80 | 85.09/84.84 | √ | √ | √ | √ | √ | √ |
PQ3 | 122.30/121.80 | 83.18/82.93 | √ | √ | √ | √ | √ | √ |
Core bits for N-series double core barrels | ||||||||
NMLC | 75.44/75.19 | 52.12/51.87 | √ | √ | √ | √ | √ | √ |
HMLC | 98.98/98.60 | 63.63/63.38 | √ | √ | √ | √ | √ | √ |
Core bits for T2 series double core barrels | ||||||||
T2-46 | 46.18/45.92 | 31.82/31.57 | √ | √ | √ | √ | √ | √ |
T2-56 | 56.13/55.88 | 41.83/41.58 | √ | √ | √ | √ | √ | √ |
T2-76 | 76.12/75.87 | 61.82/61.57 | √ | √ | √ | √ | √ | √ |
T2-86 | 86.13/85.88 | 71.83/71.58 | √ | √ | √ | √ | √ | √ |
T2-101 | 101.12/100.87 | 83.82/83.57 | √ | √ | √ | √ | √ | √ |
Core bits for T6 series double core barrels | ||||||||
T6-76 | 76.12/75.87 | 57.12/56.87 | √ | √ | √ | √ | √ | √ |
T6-86 | 86.13/85.88 | 67.13/66.88 | √ | √ | √ | √ | √ | √ |
T6-101 | 101.12/100.87 | 79.12/78.87 | √ | √ | √ | √ | √ | √ |
T6-116 | 116.20/115.82 | 93.14/92.89 | √ | √ | √ | √ | √ | √ |
T6-131 | 131.19/130.81 | 108.13/107.88 | √ | √ | √ | √ | √ | √ |
T6-146 | 146.18/145.80 | 123.11/122.86 | √ | √ | √ | √ | √ | √ |
Core bits for Chinese standard single tube core barrels | ||||||||
59 | 59.5 | 41.5 | √ | √ | √ | √ | √ | √ |
75 | 75.2 | 54.5 | √ | √ | √ | √ | √ | √ |
91 | 91.2 | 68 | √ | √ | √ | √ | √ | √ |
110 | 111.2 | 93 | √ | √ | √ | √ | √ | √ |
130 | 131.2 | 113 | √ | √ | √ | √ | √ | √ |
150 | 151.2 | 133 | √ | √ | √ | √ | √ | √ |
170 | 171.2 | 149 | √ | √ | √ | √ | √ | √ |
219 | 225.2 | 197 | √ | √ | √ | √ | √ | √ |
Core bits for Chinese standard double tube core barrels | ||||||||
75 | 75.2 | 54.5 | √ | √ | √ | √ | √ | √ |
91 | 91.2 | 68 | √ | √ | √ | √ | √ | √ |
110 | 111.2 | 93 | √ | √ | √ | √ | √ |
Noted:
Imp.-Impregnated Diamond Type
S.S.-Surface Set Diamond Type
T.C.-Tungsten Carbide Type
PDC.-Polycrystalline Diamond compact Type
E.P.- Electroplated Diamond Type
Notice :
To select the right bit for the job, assess the speed and power of
your drill for the size and depths of the holes to be drilled and
assess ground conditions such as rock type/formation and down-hole
conditions.
Size:
Changtan bits are available in all standard drilling sizes . Also,
non-standard sized bits can be produced according to requirements
from clients.
Crown Height:
Changtan offers crown impreg depths of 9mm, 12mm, and 16mm .The
taller crown heights provide improved bit stability and reduced
vibrations, enhancing bit life and performance.
Waterways:
Various waterways are available for diamond impregnated bits.
Differing waterways allow for better flushing in various ground
conditions and drilling systems.
Matrix:
Changtan impregnated bits matrices can be selected by our engineer
according to ground conditions at client's work site.
Threads:
standard WL threads as well as thread types required by clients are
available.
Advantages:
1.Fast cutting and drilling speed
2.Long life, stable performance
3.Low power consumption
4.Professional OEM, superior grade quality, more than 5years
manufacturing experience
5..CE: ISO: 9001: 2000
Contact Us
Sales Manager: Cindy Tang
Mobile/Whatsapp/Wechat :+86-18274862632 (online support)
Skype: tangjingjing31
Email:sales4@changtan.com